Abstract
An alternating current is passed through an electrical capacitor filled with the sample studied. The signal, which is proportional to the current, is amplified, rectified, integrated, and recorded by a computer using a simple analog-to-digital converter consisting of a time-charging RC circuit and a comparator connected to the COM port. The measurement error does not exceed 1%. The permittivity is calculated by the electrical conductivity data with a 10% error.
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Shavlov, A.V., Gorelik, R.Y., Pisarev, A.D. et al. A Method and Device for the Study of Low-Frequency Permittivity of Thin Amorphous Ice Films with Computer Data Recording. Instruments and Experimental Techniques 46, 118–120 (2003). https://doi.org/10.1023/A:1022568231045
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DOI: https://doi.org/10.1023/A:1022568231045